Reference numberCLP/8ii/73
TitlePaper, 'Description of a water level to be fixed to Davis's Quadrant whereby an observation may be taken at Sea in thick and hazy weather without seeing the horizon' by Charles Leigh
DescriptionOriginal figure in colour attached

Description of an artificial horizon designed by Leigh to be attached to a Davis's quadrant (John Davis (c.1550–1605)). An addition to aid in navigation at sea when visibility is poor.

Read to the Royal Society on 3 November 1737

Subject: Navigation / Nautical / Scientific instruments
Physical descriptionInk on paper
Access statusOpen
Related materialDOI: 10.1098/rstl.1737.0072
Printed in 'Philosophical Transactions', vol 40, no 451, p 413
Related records in the catalogueRBO/21/1
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